Subluxation of the patella.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001265:Athletic Injuries / Q000175:diagnosis*; D002648:Child; D005260:Female; D006395:Hemarthrosis / Q000209:etiology; D006801:Humans; D004204:Joint Dislocations / Q000175:diagnosis*; D007717:Knee / Q000000981:diagnostic imaging; D007718:Knee Injuries / Q000175:diagnosis / Q000601:surgery / Q000628:therapy; D008297:Male; D009133:Muscular Atrophy / Q000209:etiology; D010146:Pain; D010329:Patella / Q000000981:diagnostic imaging / Q000293:injuries* / Q000601:surgery; D011859:Radiography; D012737:Sex Factors